.header{
    line-height: 50px;
    text-align: center;
    background-color: #343a40;
    width: 100%;
    height: 50px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)
}
.header p{
    color: #fff;
    margin-bottom: 0;
    background: rgba(0, 0, 0, .25)
}
.header .right{
    letter-spacing: 1px;
    display: flex;
    justify-content: space-between;
}
.header .right .userModel{
    color: rgba(255,255,255,.5);
}
.contentLeft{
    background: rgb(248,249,250);
    position: relative;
    float: left;
    width: 300px;
    height: 700px;
    text-align: center;
    padding: 5px;
}
.contentLeft ul{
    user-select: none;
    width: 100%;
    list-style: none;
}
.contentLeft ul li{
    text-align: center;
    width: 185px;
    cursor: move;
}
.contentShowPlace{
    padding: 15px;
    float: left;
    width: 700px;
    height: 700px;
    border-left: 1px solid lightgray;
}
.contentShowPlace ul{
    list-style: none;
}
.contentShowPlace ul li{
    user-select: none;
}
.clone{
    list-style: none;
    position: absolute;
}
.fade{
    opacity: 1;
}